7th Grade Math STAAR REVIEW

Front

What is the ratio of students with pet fish to total students in the study?

Back

The ratio is 12 out of 40, which simplifies to 3 out of 10.

Front

How do you calculate the number of students who do NOT have a pet fish?

Back

Subtract the number of students with pet fish from the total number of students: 2400 - (2400 * (12/40)) = 1680 students.

Front

What is the total cost of 52 packs of pencils at $1.20 each?

Back

Total cost = 52 * $1.20 = $62.40.

Front

What is the total cost of 14 calculators at $2.05 each?

Back

Total cost = 14 * $2.05 = $28.70.

Front

How do you find the amount of money left after purchases?

Back

Subtract the total cost of items from the initial amount: $120 - ($62.40 + $28.70) = $28.90.

Front

What does it mean for two figures to be similar?

Back

Two figures are similar if their corresponding angles are equal and the lengths of their corresponding sides are proportional.

Front

What is the proportion for similar figures FGHI and JKLM?

Back

Front

How do you determine if a statement is supported by a budget table?

Back

Check if the percentages of expenses match the total income and if the calculations are accurate.

Front

What is 40% of Isaiah's monthly budget of $3000?

Back

40% of $3000 is $1200.

Front

How do you convert feet and inches to meters?

Back

First convert feet to inches (6 feet = 72 inches), then total inches (72 + 2 = 74 inches), and finally convert to meters (74 inches * 2.54 cm/inch * 0.01 m/cm = 1.8796 meters).